<template>
  <div class="app-container">
    <el-form :model="queryParams" ref="queryRef" :inline="true" v-show="showSearch" label-width="68px">
      <el-form-item label="主键" prop="id">
        <el-input
          v-model="queryParams.id"
          placeholder="请输入主键"
          clearable
          @keyup.enter="handleQuery"
        />
      </el-form-item>
      <el-form-item label="区域编码" prop="code">
        <el-input
          v-model="queryParams.code"
          placeholder="请输入区域编码"
          clearable
          @keyup.enter="handleQuery"
        />
      </el-form-item>
      <el-form-item label="名称" prop="name">
        <el-input
          v-model="queryParams.name"
          placeholder="请输入名称"
          clearable
          @keyup.enter="handleQuery"
        />
      </el-form-item>
      <el-form-item>
        <el-button type="primary" icon="Search" @click="handleQuery">搜索</el-button>
        <el-button icon="Refresh" @click="resetQuery">重置</el-button>
      </el-form-item>
    </el-form>

    <el-row :gutter="10" class="mb8">
      <el-col :span="1.5">
        <el-button
          type="primary"
          plain
          icon="Plus"
          @click="handleAdd"
          v-hasPermi="['nongjt:area:add']"
        >新增</el-button>
      </el-col>
      <el-col :span="1.5">
        <el-button
          type="info"
          plain
          icon="Sort"
          @click="toggleExpandAll"
        >展开/折叠</el-button>
      </el-col>
      <right-toolbar v-model:showSearch="showSearch" @queryTable="getList"></right-toolbar>
    </el-row>

    <el-table
      v-if="refreshTable"
      v-loading="loading"
      :data="areaList"
      row-key="code"
      :default-expand-all="isExpandAll"
      :tree-props="{children: 'children', hasChildren: 'hasChildren'}"
    >
      <el-table-column label="区域编码" prop="code" />
      <el-table-column label="父编码" align="center" prop="parentCode" />
      <el-table-column label="名称" align="center" prop="name" />
      <el-table-column label="标识 " align="center" prop="unit" />

      <el-table-column label="status " align="center" prop="status" >
        <template #default="scope">
          <el-tag v-if="scope.row.status===1" type="success">  正常</el-tag>
          <el-tag v-if="scope.row.status===0" type="success">  异常</el-tag>
        </template>
      </el-table-column>
      <el-table-column label="操作" align="center" class-name="small-padding fixed-width">
        <template #default="scope">
          <el-button link type="primary" icon="Edit" @click="handleUpdate(scope.row)" v-hasPermi="['nongjt:area:edit']">修改</el-button>
          <el-button link type="primary" icon="Plus" @click="handleAdd(scope.row)" v-hasPermi="['nongjt:area:add']">新增</el-button>
          <el-button link type="primary" icon="Delete" @click="handleDelete(scope.row)" v-hasPermi="['nongjt:area:remove']">删除</el-button>
        </template>
      </el-table-column>
    </el-table>

    <!-- 添加或修改地区层级关系对话框 -->
    <el-dialog :title="title" v-model="open" width="500px" append-to-body>
      <el-form ref="areaRef" :model="form" :rules="rules" label-width="80px">
        <el-form-item label="区域编码" prop="code">
          <el-input v-model="form.code" placeholder="请输入区域编码" />
        </el-form-item>
        <el-form-item label="父编码" prop="parentCode">
          <el-tree-select
            v-model="form.parentCode"
            :data="areaOptions"
            :props="{ value: 'code', label: 'name', children: 'children' }"
            value-key="code"
            placeholder="请选择父编码"
            check-strictly
          />
        </el-form-item>
        <el-form-item label="名称" prop="name">
          <el-input v-model="form.name" placeholder="请输入名称" />
        </el-form-item>
        <el-form-item label="标识 " prop="unit">
          <el-input v-model="form.unit" placeholder="请输入标识 " />
        </el-form-item>
      </el-form>
      <template #footer>
        <div class="dialog-footer">
          <el-button type="primary" @click="submitForm">确 定</el-button>
          <el-button @click="cancel">取 消</el-button>
        </div>
      </template>
    </el-dialog>
  </div>
</template>

<script setup name="Area">
import { listArea, getArea, delArea, addArea, updateArea } from "@/api/nongjt/area"
import {listByParentCode} from "../../../api/nongjt/area";

const { proxy } = getCurrentInstance()

const areaList = ref([])
const areaOptions = ref([])
const open = ref(false)
const loading = ref(true)
const showSearch = ref(true)
const title = ref("")
const isExpandAll = ref(true)
const refreshTable = ref(true)

const data = reactive({
  form: {},
  queryParams: {
    id: null,
    code: null,
    name: null,
    status: null,
  },
  rules: {
    code: [
      { required: true, message: "区域编码不能为空", trigger: "blur" }
    ],
    name: [
      { required: true, message: "名称不能为空", trigger: "blur" }
    ],
  }
})

const { queryParams, form, rules } = toRefs(data)

/** 查询地区层级关系列表 */
function getList() {
  loading.value = true
  listArea(queryParams.value).then(response => {
    areaList.value = proxy.handleTree(response.data, "code", "parentCode")
    loading.value = false
  })
}

/** 查询地区层级关系下拉树结构 */
function getTreeselect() {
  listArea().then(response => {
    areaOptions.value = []
    const data = { code: 0, name: '顶级节点', children: [] }
    data.children = proxy.handleTree(response.data, "code", "parentCode")
    areaOptions.value.push(data)
  })
}
	
// 取消按钮
function cancel() {
  open.value = false
  reset()
}

// 表单重置
function reset() {
  form.value = {
    id: null,
    code: null,
    parentCode: null,
    name: null,
    unit: null,
    status: null,
    createBy: null,
    createTime: null,
    updateBy: null,
    updateTime: null
  }
  proxy.resetForm("areaRef")
}

/** 搜索按钮操作 */
function handleQuery() {
  getList()
}

/** 重置按钮操作 */
function resetQuery() {
  proxy.resetForm("queryRef")
  handleQuery()
}

/** 新增按钮操作 */
function handleAdd(row) {
  reset()
  getTreeselect()
  if (row != null && row.code) {
    form.value.parentCode = row.code
  } else {
    form.value.parentCode = 0
  }
  open.value = true
  title.value = "添加地区层级关系"
}

/** 展开/折叠操作 */
function toggleExpandAll() {
  refreshTable.value = false
  isExpandAll.value = !isExpandAll.value
  nextTick(() => {
    refreshTable.value = true
  })
}

/** 修改按钮操作 */
async function handleUpdate(row) {
  reset()
  await getTreeselect()
  if (row != null) {
    form.value.parentCode = row.parentCode
  }
  getArea(row.id).then(response => {
    form.value = response.data
    open.value = true
    title.value = "修改地区层级关系"
  })
}

/** 提交按钮 */
function submitForm() {
  proxy.$refs["areaRef"].validate(valid => {
    if (valid) {
      if (form.value.id != null) {
        updateArea(form.value).then(response => {
          proxy.$modal.msgSuccess("修改成功")
          open.value = false
          getList()
        })
      } else {
        addArea(form.value).then(response => {
          proxy.$modal.msgSuccess("新增成功")
          open.value = false
          getList()
        })
      }
    }
  })
}

/** 删除按钮操作 */
function handleDelete(row) {
  proxy.$modal.confirm('是否确认删除地区层级关系编号为"' + row.id + '"的数据项？').then(function() {
    return delArea(row.id)
  }).then(() => {
    getList()
    proxy.$modal.msgSuccess("删除成功")
  }).catch(() => {})
}
listByParentCode()
getList()
</script>
